CHL8214-01CRT

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The CHL8214-01CRT is a complete analog controller IC designed for a wide range of DC/DC switching regulators, such as adjustable and step-down converters, battery chargers, and many others. It offers low quiescent current, fast transient response, and accurate output voltage regulation.

The CHL8214-01CRT is available in a 5-lead TSOT-23 package and operates from a wide 4.5 V to 18 V input voltage range, making it ideal for a variety of applications. It offers constant frequency operation with a wide operating frequency range from 250 kHz to 2 MHz and minimal external component requirements for optimal performance.

The biggest advantage of the CHL8214-01CRT is it’s high efficiency over a wide input voltage range, as well as low operational energy consumption and excellent load and line regulation. It also has a low shutdown current, making it an ideal choice when battery operation is required.

The CHL8214-01CRT features advanced features such as pre-biased synchronization, temperature compensation, and current mode control. The controller also offers excellent load noise immunity and has a programmable soft-start to ensure smooth output voltage transitions.

The CHL8214-01CRT has a variety of protection features, including programmable over-current protection, adjustable output over-voltage protection, and under-voltage lockout. It also features auto-restart for short circuit protection, reverse battery protection, and various operating modes for various applications.

The CHL8214-01CRT’s PWM control AC impedance range covers from ~100mΩ to ~680mΩ, making it suitable for a wide variety of power semiconductor devices. Additionally, its duty cycle range of up to 97% allows for a very high efficiency in buck converters.

In short, the CHL8214-01CRT is a great choice for a variety of applications, including adjustable and step-down converters, battery chargers, and many others. It features low quiescent current, fast transient response, good efficiency, and many protection features, making it ideal for a wide range of DC/DC switching applications.

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